MMSZ4681-
MMSZ4717
SURFACE MOUNT ZENER DIODE
VOLTAGE RANGE 2.4 to 43 Volts POWER RATING 500 mWatts
FEATURES
*
*
*
*
*
Wide Zener Reverse Voltage Range : 2.4V to 43V
500mW Rating on FR-4 or FR-5 Board
Small Package Size for High Density Applications
Ldeally Suited for Automated Assembly Processes
ESD Rating of Class 3 (>16kV) per Human Body Model
SOD-123
MECHANICAL DATA
*
*
*
*
*
.026(.65)
.018(.45)
Case: Molded plastic
Epoxy: UL 94V-O rate flame retardant
Lead: MIL-STD-202E method 208C guaranteed
Mounting position: Any
Weight: 0.01 gram
.110(2.80)
.102(2.60)
.067(1.70)
.059(1.50)
.152(3.85)
.140(3.55)
.006(.15)
.003(.08)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
o
.049(1.25)
.041(1.05)
.004(0.10)
.000(0.00)
REF .020(0.50)
Dimensions in inches and (millimeters)
MAXIMUM RATINGES
( @ T
A
= 25 C unless otherwise noted )
RATINGS
Max. Power Dissipation on FR-5 Board,@T
L
=75
o
C (Note 1)
Derated above 75
O
C
Max. Operating Temperature Range
Storage Temperature Range
SYMBOL
P
D
T
J
T
STG
VALUE
500
6.7
150
-55 to +150
UNITS
mW
mW/
o
C
o
o
o
C
C
ELECTRICAL CHARACTERISTICS
( @ T
A
= 25 C unless otherwise noted )
CHARACTERISTICS
Thermal Resistance Junction to Ambient (Note 2)
Thermal Resistance Junction to Lead (Note 2)
Max. Instantaneous Forward Voltage at I
F=
10mA
SYMBOL
R
qJA
R
qJL
V
F
MIN.
-
-
-
TYP.
-
-
-
MAX.
340
150
0.95
UNITS
o
o
o
C/W
C/W
Volts
VC 2007-11
Note 1. FR-5 = 3.5 X 1.5 inches, using the minimum recommended footprint.
2. Thermal Resistance measurement obtained via infrared Scan Method.
ELECTRICAL CHARACTERISTICS
Device
MMSZ4681
MMSZ4682
MMSZ4683
MMSZ4684
Device
Marking
CF
CH
CJ
CK
Min
2.28
2.565
2.85
3.13
(@TA=25 C unless otherwise specified)
O
Zener Voltage (Note 1)
V
Z
(Volts)
Nom
2.4
2.7
3.0
3.3
Max
2.52
2.835
3.15
3.47
@ I
ZT
uA
50
50
50
50
Leakage Current
I
R
@ V
R
uA
2
1
0.8
7.5
Volts
1
1
1
1.5
MMSZ4685
MMSZ4686
MMSZ4687
MMSZ4688
MMSZ4689
CM
CN
CP
CT
CU
3.42
3.70
4.09
4.47
4.85
3.6
3.9
4.3
4.7
5.1
3.78
4.10
4.52
4.94
5.36
50
50
50
50
50
7.5
5
4
10
10
2
2
2
3
3
MMSZ4690
MMSZ4691
MMSZ4692
MMSZ4693
MMSZ4694
MMSZ4695
MMSZ4696
MMSZ4697
MMSZ4698
MMSZ4699
MMSZ4700
MMSZ4701
MMSZ4702
MMSZ4703
MMSZ4704
MMSZ4705
MMSZ4706
MMSZ4707
MMSZ4708
MMSZ4709
MMSZ4710
MMSZ4711
MMSZ4712
MMSZ4713
MMSZ4714
MMSZ4715
MMSZ4716
MMSZ4717
CV
CA
CX
CY
CZ
DC
DD
DE
DF
DH
DJ
DK
DM
DN
DP
DT
DU
DV
DA
DX
DY
EA
EC
ED
EE
EF
EH
EJ
5.32
5.89
6.46
7.13
7.79
8.27
8.65
9.50
10.45
11.40
12.35
13.30
14.25
15.20
16.15
17.10
18.05
19.00
20.90
22.80
23.75
25.65
26.60
28.50
31.35
34.20
37.05
40.85
5.6
6.2
6.8
7.5
8.2
8.7
9.1
10
11
12
13
14
15
16
17
18
19
20
22
24
25
27
28
30
33
36
39
43
5.88
6.51
7.14
7.88
8.61
9.14
9.56
10.50
11.55
12.60
13.65
14.70
15.75
16.80
17.85
18.90
19.95
21.00
23.10
25.20
26.25
28.35
29.40
31.50
34.65
37.80
40.95
45.15
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
10
10
10
10
1
1
1
1
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
4
5
5.1
5.7
6.2
6.6
6.9
7.6
8.4
9.1
9.8
10.6
11.4
12.1
12.9
13.6
14.4
15.2
16.7
18.2
19.0
20.4
21.2
22.8
25.0
27.3
29.6
32.6
Notes 1. Nominal Zener voltage is measured with the device junction in thermal equilibrium at T
L
= 30
O
C +1
O
C.
2. "Fully RoHS Compliant","100% Sn Plating (Pb-free)".
RATING AND CHARACTERISTICS CURVES ( MMSZ4681-MMSZ4717 )
q
VZ,TEMPERATURE COEFFICIENT (mV /
O
C)
q
VZ,TEMPERATURE COEFFICIENT (mV /
O
C)
8
TYPICAL T
C
VALUES
6
4
2
0
-2
-3
2
3
4
5
6
7
8
9
10
11
12
V
Z
@ I
ZT
100
TYPICAL T
C
VALUES
V
Z
@ I
ZT
10
1
10
VZ, NOMINAL ZENER VOLTAGE (V)
100
1.2
1.0
0.8
0.6
0.4
0.2
0
0
Figure 1 Temperature Coefficients
(Temperature Range -55
O
C to +150
O
C)
1000
PPK, PEAK SURGE POWER (W)
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 2 Temperature Coefficients
(Temperature Range -55
O
C to +150
O
C)
RECTANGULAR
WAVEFORM, T
A
= 25
O
C
PD, POWER DISSIPATION (W)
P
D
versus T
L
P
D
versus T
A
100
10
25
50
75
100
125
150
1
0.1
1
10
PW, PULSE WIDTH (mS)
100
1000
T, TEMPERATURE (
O
C)
Figure 3 Steady State Power Derating
1000
ZZT, DYNAMIC IMPEDANCE (W)
I
Z
= 1mA
100
5mA
20mA
10
Figure 4 Maximum Nonrepetitive Surge Power
T
J
= 25
O
C
I
Z(AC)
=0.1 I
Z(DC)
f = 1kHz
1
1
10
100
Figure 5 Effect of Zener Voltage on
Zener Impedance
VZ, NOMINAL ZENER VOLTAGE (V)
RATING AND CHARACTERISTICS CURVES ( MMSZ4681-MMSZ4717 )
1000
0 V BIAS
1 V BIAS
C, CAPACITANCE (pF)
100
BIAS AT
50% OF V
Z
NOM
10
1000
100
IR, LEAKAGE CURRENT (uA)
10
1
0.1
0.01
0.001
+ 25
O
C
- 55
O
C
10
20
30
40
50
60
70
80
90
+ 150
O
C
T
A
=25
O
C
0.0001
1
1
10
100
0.00001
0
Figure 7 Typical Capacitance
100
IZ, ZENER CURRENT (mA)
T
A
=25
O
C
IZ, ZENER CURRENT (mA)
100
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 8 Typical Leakage Current
T
A
=25
O
C
VZ, NOMINAL ZENER VOLTAGE (V)
10
10
1
1
0.1
0.1
0.01
0
2
4
6
8
10
12
V
Z
, ZENER VOLTAGE (V)
0.01
10
30
50
V
Z
, ZENER VOLTAGE (V)
70
90
Figure 9 Zener Voltage vs. Zener Current
(VZ Up to 12V)
Figure 10 Zener Voltage vs. Zener Current
(12 V to 43V)
DISCLAIMER NOTICE
Rectron Inc reserves the right to make changes without notice to any product
specification herein, to make corrections, modifications, enhancements or other
changes. Rectron Inc or anyone on its behalf assumes no responsibility or liabi-
lity for any errors or inaccuracies. Data sheet specifications and its information
contained are intended to provide a product description only. "Typical" paramet-
ers which may be included on RECTRON data sheets and/ or specifications ca-
n and do vary in different applications and actual performance may vary over ti-
me. Rectron Inc does not assume any liability arising out of the application or
use of any product or circuit.
Rectron products are not designed, intended or authorized for use in medical,
life-saving implant or other applications intended for life-sustaining or other rela-
ted applications where a failure or malfunction of component or circuitry may di-
rectly or indirectly cause injury or threaten a life without expressed written appr-
oval of Rectron Inc. Customers using or selling Rectron components for use in
such applications do so at their own risk and shall agree to fully indemnify Rect-
ron Inc and its subsidiaries harmless against all claims, damages and expendit-
ures.
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